Class VI. VENUS. VENUS-SHELL. 



0,05 



List. Conch, tab. 282. 

 Gm. Lin. 3270. 

 Lin. Tr. viii. 82. 



V. striatula. Mont. Test. 



Br. 113. 

 V. rugosa. Br. Zool. iv. 



95. 



12. CALLINA. 



wrinkled. 



V. with thick shells, marked with rugose con- 

 centric striae, ; length an inch, breadth an inch 

 and a quarter. 



A variety, with stria less elevated, and mark- 

 ed with yellowish ziggag lines. List. Conch. 

 282, Tab. lix.j%. 2. 



Lin. Tr. viii. 83. 



Mont. Test. Br. 577. id. 

 Sup. t. 17. /. 3. 



13. TRIANGU- 

 LARIS. 



* V. with a somewhat triangular shell ; hinge 

 strong; one valve has three teeth, the other 

 two, and a crescent-shaped, lateral thin plate ; 

 diameter half an inch. 



Found by Mr. Montagu on the coast of 

 Devonshire ; very scarce. 



Lin. Syst. 1131. No. 123. 



Gm. Lin. 3271- 

 Faun. Suec. No. 2144. List. 



Angl. tab. iv. fig. 22. 

 Conch, tab. 272. 



Lin. Tr. riii. 83. l4# ISLAN , 



Mont. Test. Br. 1 14. dica. 



V. mercenaria. Br. Zool. iv. iceland - 

 94. 



V. with a strong, thick, weighty shell, covered 

 with a brown epidermis; pure white within: 



